User.java 文件源码

@XmlTransient
 @LazyCollection(LazyCollectionOption.EXTRA)
 @ManyToMany(fetch=FetchType.LAZY, cascade=CascadeType.ALL)
 @JoinTable(name = "role_mappings", joinColumns = { 
@JoinColumn(name = "user_id", nullable = false, updatable = false) }, 
inverseJoinColumns = { @JoinColumn(name = "role", 
        nullable = false, updatable = false) })
 public List<Role> getRoles() {return _roles;}